| A forged check valve is a high-strength, one-way valve made from forged steel, designed to prevent backflow in high-pressure and high-temperature piping systems. Unlike cast valves, forged check valves are manufactured by compressing metal under high pressure, resulting in a dense, uniform structure with superior mechanical properties. These valves operate automatically, allowing fluid to flow in one direction while closing to block reverse flow, typically using a disc, piston, or ball mechanism. Forged check valves are commonly used in critical applications such as oil and gas pipelines, power plants, and chemical processing facilities, where durability, leak prevention, and resistance to thermal stress are essential. Their compact design, high pressure ratings, and corrosion-resistant materials make them ideal for demanding service conditions. |
PR-FECT VALVES manufactures Forged Check valve in a wide range of sizes, materials, and pressure ratings, ensuring compatibility with diverse industrial applications and offering advanced technical features such as precision-machined gates and corrosion-resistant coatings for enhanced performance and durability.
| PRODUCT DETAILS | |
|---|---|
| Sizes | 1/4" to 4" |
| Pressure Class Ratings | ASME #150 to #4500 |
| End Connection | Screwed, Socket Weld, Flanged, Butt-Weld |
| Construction Types | O.S & Y.Rising Stem, Solid Wedge, Bolted Bonnet, Welded Bonnet, others upon request |
| Salient Features | Rugged construction, Bellow Seal, Pressure Seal, Fugitive Emissions, Metal Seats , Back Seating, Stem Extension, Cryogenic, Locking Arrangements etc. |
| Operator / Actuator | Handwheel, others upon request |
| STANDARDS SPECIFICATIONS | |
|---|---|
| Design & Manufacture | API 602, ASME B16.34, BS 5352 |
| Face To Face | ASME B16.10, MFG Standard |
| End Connections | ASME B16.11, ISO 7-1, BS 21 ASME B1.20.1, ASME B16.5/ B16.47 RF/FF/RTJ ASME 16.25, EN 1092 |
| Testing | API 6D, API 598, ASME B16.34 |
| Fire safe testing | ISO 10497/ API 607, API 6FA |
| Nace | NACE MR0175 / ISO 15156 and NACE MR0103 / ISO17945 |
| Fugitive emission | ISO 15848-1, API 624 |
| MATERIAL OF CONSTRUCTION | |
|---|---|
| Body / End Connector | Carbon Steel (ASTM A105, ASTM A181), Low Carbon Steel ( ASTM A350 LF2), Stainless Steel ( ASTM A182 F304, ASTM A182 F316, ASTM A182 F304L, ASTM A182 F316L, ASTM A182 F317, ASTM A182 F904L, ASTM A182 F310) Nickel alloys (B564 Monel, Inconel B564, B366), High Temp Alloys (Inconel 600, Inconel 625, Inconel 718, HastealloyX, Titanium Aloy) |
| Trim | Stainless Steel (SS304, SS316, SS304L, SS316L, SS317, SS310, SS904L), Nickel alloys, Duplex Stainless Steel, Exotic Materials. |
| Seat | PTFE/ RPTFE/ Special filled PTFE/ PEEK/ Devlon®/ SS316 + ST |
| Stem Packing & Seals | PTFE/ RPTFE/ Special filled PTFE/Graphite/Graphoil |
| Gaskets | PTFE/ RPTFE/ Special filled PTFE/Graphite/Graphoil/Spiral Wounded |
| Stem Bearing | RPTFE/ Special filled PTFE/Graphite |
| Fasteners | ASTM A193 Gr.B7/A194 Gr.2H, B7M/2HM, B8/8, B8M/8M, L7/4, B16/2H etc |